1 files changed, 11 insertions, 3 deletions
diff --git a/lib/libsqlite3/src/random.c b/lib/libsqlite3/src/random.c
index 145731051bb..a0db527f93c 100644
--- a/lib/libsqlite3/src/random.c
+++ b/lib/libsqlite3/src/random.c
@@ -53,11 +53,19 @@ void sqlite3_randomness(int N, void *pBuf){
 #endif
 
 #if SQLITE_THREADSAFE
-  sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_PRNG);
-  sqlite3_mutex_enter(mutex);
+  sqlite3_mutex *mutex;
+#endif
+
+#ifndef SQLITE_OMIT_AUTOINIT
+  if( sqlite3_initialize() ) return;
 #endif
 
-  if( N<=0 ){
+#if SQLITE_THREADSAFE
+  mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_PRNG);
+#endif
+
+  sqlite3_mutex_enter(mutex);
+  if( N<=0 || pBuf==0 ){
     wsdPrng.isInit = 0;
     sqlite3_mutex_leave(mutex);
     return;